lameness

noun
1
the condition of being unable to walk well because of an injury to the leg or foot
لنگی, پایلنگی, شل بودن, ناهنجاری حرکتی پا
2
the fact of being weak and difficult to believe
ضعف, ضعیف بودن (در منطق یا استدلال)
the lameness of his excuse
synonym feebleness(2)